Product Overview The 3-wire wall or ceiling mounted passive infra-red occupancy switch (WAPIR) should be wall mounted at a location where a neutral connection is available. The WAPIR incorporates a passive infra-red quad sensor to detect movement of a warm body within the detection zone (diagram B or C) and a photocell to monitor the ambient light level.
Installation Procedure All electrical installation and maintenance must be carried out by a competent person. If in doubt, consult a qualified electrician. Any new wiring must be carried out by qualified personnel in accordance with the current edition of the IET Wiring Regulations (BS7671). Ensure the electrical supply is isolated before making any connections or adjustments.
Fault Finding: The load will not switch on: ❖ The LUX adjuster is set too low and is inhibiting the switch. ❖ The moving body is not emitting more than the background (person wearing insulating clothing in a warm environment). ❖...
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Product Warranty MS Electronics guarantees all their products against manufacturing defects for 5 years from the purchase date. If your product is found to be faulty, MS Electronics will, at their discretion, repair or replace the product free of charge.
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